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Thea Osborne Books in Order

Part ofRebecca Tope Books in Order

Browse the Thea Osborne Cotswold mysteries by Rebecca Tope in order, with book summaries, series background on the house-sitting sleuth, and clear pointers on the best place to begin.

Last updated: December 23, 2025

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Publication Order

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21 books

1

A Discovery in the Cotswolds

by Rebecca Tope

2023

Visiting a church near Cirencester with her stepdaughter Stephanie, Thea runs into old friend Emmy, now married to a local farmer. Asked to help find Emmy’s missing niece, she soon stumbles across a freshly killed woman, uncovering a sinister link between the disappearance and the murder.

2

Betrayal in the Cotswolds

by Rebecca Tope

2022

Thea Osborne’s latest assignment seems routine until a shocking betrayal in the small community leads to violence. As loyalties shift and neighbours turn on one another, she must decide who deserves her trust while tracing the hidden grievances that sparked the crime.

3

Echoes in the Cotswolds

by Rebecca Tope

2021

Returning to house-sitting after upheavals at home, Thea finds that a new Cotswold village carries disturbing echoes of earlier cases. When a body is discovered, familiar patterns of silence and suspicion reappear, forcing her to distinguish coincidence from a deliberate repetition of past crimes.

4

A Cotswold Christmas Mystery

by Rebecca Tope

2020

House-sitting over the festive season with her stepdaughter Stephanie, Thea expects little more than winter walks and family tension. A death close to their temporary home turns their Christmas into a hunt through village feuds, seasonal resentments and long-held grudges.

5

Secrets in the Cotswolds

by Rebecca Tope

2019

Thea and Drew take on another Cotswold village, expecting nothing more than everyday work and neighbourly chatter. When a sudden death exposes tangled histories, they peel back layers of gossip, half-truths and family scandals to learn whose secrets were dangerous enough to kill for.

6

Crisis in the Cotswolds

by Rebecca Tope

2018

A routine burial in Broad Campden exposes poisonous secrets, drawing Drew into a bitter family feud at his funeral business. Thea, restless in married life, is soon involved, even as another crisis threatens Drew’s other work and a charming newcomer tests the strength of their relationship.

7

Peril in the Cotswolds

by Rebecca Tope

2017

Newly married to Drew and living in Broad Campden, Thea is trying to settle into domestic life when she discovers a neighbour’s body. Doubting the police’s swift conclusion, she risks her marriage and safety by probing deeper into local friendships, feuds and lies.

8

Guilt in the Cotswolds

by Rebecca Tope

2016

In Chedworth, Thea and her fiancé Drew are cataloguing the possessions of Rita Wilshire, recently moved into a care home. When Rita’s son is found dead in a barn, questions of suicide, inheritance and old grievances strain Thea and Drew’s relationship as they search for the truth.

9

Revenge in the Cotswolds

by Rebecca Tope

2015

In Daglingworth, Thea’s latest house-sit seems gentle, with only an elderly corgi and a hibernating tortoise to mind. A firebomb pushed through the letterbox and a body found in a quarry expose eco-activists, risky alliances and a vengeful plan that puts Thea in serious danger.

10

Trouble in the Cotswolds

by Rebecca Tope

2014

Spending Christmas house-sitting in the village of Stanton, Thea wants only quiet walks and pub meals. Her arrival coincides with a local businessman’s funeral, and when another villager is brutally murdered, she is once more at the heart of a tense police investigation.

11

Shadows in the Cotswolds

by Rebecca Tope

2013

Agreeing at short notice to house-sit in historic Winchcombe, Thea hopes for time to think about her mother’s new romance and her own feelings for Drew. Feeding wild birds near the cottage, she discovers a body in the garden and uncovers shadows from past traumas reaching into the present.

12

Malice in the Cotswolds

by Rebecca Tope

2012

Thea’s new assignment in the cluttered Hyacinth House at Snowshill feels uneasy from the moment she arrives. After mischievous local boy Stevie is strangled outside, suspicion falls on his eccentric mother, and Thea races with Sonia Gladwin and Drew Slocombe to expose a much wider web of malice.

13

Deception in the Cotswolds

by Rebecca Tope

2011

House-sitting a grand home in secluded Cranham, Thea expects a peaceful summer minding Harriet Young’s reptiles. Instead she meets an unsettling cast of villagers and realises the geckoes in the basement are not the only cold-blooded creatures as deception and murder surface around her.

14

A Grave in the Cotswolds

by Rebecca Tope

2010

Undertaker Drew Slocombe travels to Broad Campden for a burial, worrying more about work and home than crime. When a council worker opposing the funeral is found dead near Thea Osborne’s house-sit, Drew becomes the prime suspect and must join forces with Thea to clear his name.

15

Slaughter in the Cotswolds

by Rebecca Tope

2009

Thea Osborne’s latest house-sitting job in a Cotswold hamlet promises nothing more than animal care and country walks. When a brutal killing shocks the village, she finds herself sifting through farm disputes, local gossip and simmering feuds to understand who turned to violence.

16

Fear in the Cotswolds

by Rebecca Tope

2009

Snowbound in the tiny hamlet of Hampnett, Thea faces a lonely winter month with only animals and her spaniel for company. Strange tracks in the snow and the discovery of a dead man in a field drag her into a chilling mystery of abandoned pets, troubled children and desperate neighbours.

17

Blood in the Cotswolds

by Rebecca Tope

2008

In Temple Guiting, Thea and detective partner Phil Hollis confront a mystery when a skeleton is uncovered under an old beech tree. Rumours of Knights Templar ancestry, village rituals and possessive families swirl as Thea learns the countryside is never as peaceful as it looks.

18

A Cotswold Mystery

by Rebecca Tope

2008

Staying in Blockley to look after the Montgomerys’ house and dogs, Thea Osborne is certain nothing can go wrong this time. A death next door pulls her into local legends, celebrity neighbours and quiet enmities, proving the village is far stranger than its pretty streets suggest.

19

Death in the Cotswolds

by Rebecca Tope

2007

House-sitter Thea Osborne hopes for quiet time with DI Phil Hollis in Cold Aston, but pagan spinner Ariadne narrates a darker tale. A body laid out on an ancient barrow at Samhain reveals how pagan rituals, village secrets and old crushes can turn lethal.

20

A Cotswold Ordeal

by Rebecca Tope

2005

On her second house-sitting assignment, Thea Osborne stays in Frampton Mansell, minding pets and an elderly pony near an old canal. When a man apparently kills himself in a barn, Thea and DI Phil Hollis find the death tied to buried mills, debts and divided loyalties.

21

A Cotswold Killing

by Rebecca Tope

2004

Newly widowed Thea Osborne takes her first house-sitting job in the pretty village of Duntisbourne Abbots, expecting only quiet walks with her spaniel. After a local farmer is murdered, she finds the supposedly idyllic community riddled with secrets, grudges and dangerous gossip.

Series background & context

The Thea Osborne books, often called the Cotswold Mysteries, follow a house-sitter who is trying to rebuild her life after bereavement and repeatedly finds herself drawn into murder investigations across the Cotswolds.

At the start of A Cotswold Killing, Thea is forty‑two, recently widowed after her husband dies in a car accident. Her grown-up daughter Jessica is a police probationer, and her main companion is her cocker spaniel, Hepzibah. Taking house-sitting jobs in small Gloucestershire villages seems like a way to earn some money, walk the countryside and escape her grief. Instead she lands in Duntisbourne Abbots, looks after a pair of dogs and some sheep, and quickly stumbles across a murdered farmer.

Each novel places Thea in a different village or hamlet with its own character. In A Cotswold Ordeal she is in Frampton Mansell, near an old canal and woollen-mill country, where an apparent suicide in a barn draws in local detective Phil Hollis. Later books send her to places like Cold Aston, Temple Guiting, Blockley, Snowshill, Winchcombe, Daglingworth and Chedworth, where she tangles with pagan groups, eccentric collectors, reclusive families and uneasy incomers.

The house-sitting set-up gives the series its shape. Thea arrives as an outsider trusted with someone else's home, animals and routines. She meets neighbours while walking the dog or visiting the pub, notices things that long-term residents have stopped seeing and hears gossip that would never be shared with the police. When a death occurs, she is already woven into village life just enough to ask questions without seeming entirely out of place.

Over time the cast around her grows. Phil Hollis becomes a significant figure, and undertaker Drew Slocombe from the West Country books later turns into both an ally and, eventually, her husband. Detectives such as Sonia Gladwin recur, as do certain villagers, giving a sense of a living landscape where news and rumours travel quickly from one valley to the next.

Although the books are firmly in the cozy tradition, they do not ignore real-world issues. Farming economics, tourism, second homes, environmental protests and awkward family dynamics all appear. There is usually at least one animal to look after, whether a stubborn pony, a house full of reptiles or a hibernating tortoise, and Thea's sense of responsibility for them often complicates her ability to investigate safely.

Readers drawn to the Cotswolds for their stone cottages and rolling hills will find plenty of detailed description, but also a steady insistence that even the prettiest village can hide fierce rivalries, old guilt and a willingness to resort to violence when people feel cornered.

Taken together, the series offers a long, meandering tour of the region through the eyes of a woman who is practical, nosy, frequently exasperated and slowly building a new life out of grief, curiosity and an unfortunate knack for being in the wrong place at the wrong time.

Edited by

Richard Reis

Software engineer whose passion for tracking book recommendations from podcasts inspired the creation of MRB.

Anurag Ramdasan

Lead investor at 3one4 Capital whose startup expertise and love for books helped shaped MRB and its growth.

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All 21 Thea Osborne Books in Order (Complete List 2026)